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发明人罗永刚,赵玉洁,陈志强. "A Process for Preparing High-Purity Ethyl 6,7-dichloro-3-hydroxyquinoxaline-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108324024 A, 授权公告日 2015-09-28.
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